CN114777689B - Swing type rotary shaft positioning accuracy detection tool - Google Patents
Swing type rotary shaft positioning accuracy detection tool Download PDFInfo
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- CN114777689B CN114777689B CN202210454535.0A CN202210454535A CN114777689B CN 114777689 B CN114777689 B CN 114777689B CN 202210454535 A CN202210454535 A CN 202210454535A CN 114777689 B CN114777689 B CN 114777689B
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- 238000001514 detection method Methods 0.000 title claims abstract description 51
- 238000012360 testing method Methods 0.000 claims abstract description 40
- 230000007704 transition Effects 0.000 claims description 58
- 238000010586 diagram Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/26—Measuring arrangements characterised by the use of optical techniques for measuring angles or tapers; for testing the alignment of axes
- G01B11/27—Measuring arrangements characterised by the use of optical techniques for measuring angles or tapers; for testing the alignment of axes for testing the alignment of axes
Abstract
The embodiment of the invention provides a swinging type rotary shaft positioning accuracy detection tool, and relates to the field of rotary shaft detection. Aims to solve the problem that the precision detection of the swing type rotary shaft is difficult. The swinging type rotary shaft positioning accuracy detection tool comprises a Z-direction adjusting assembly, a Y-direction adjusting assembly, an X-direction adjusting assembly and an angle deviation adjusting assembly, wherein the Z-direction adjusting assembly comprises an angle wedge block and a connecting shaft; one end of the connecting shaft, which is far away from the angle wedge block, is used for being coaxially connected with a main shaft of the machine tool; the Y-direction adjusting component is used for moving and fixing the angle wedge block along the Y direction; the X-direction adjusting component is used for moving and fixing along the X direction relative to the Y-direction adjusting component; the angle deviation adjusting component is used for swinging and fixing relative to the center of the X-direction adjusting component; the angle deviation adjusting component is used for installing a testing instrument. The testing instrument is directly arranged on the main shaft of the machine tool through the detection tool, and the testing instrument and the rotating shaft of the machine tool are coaxially detected through adjusting the detection tool, so that the detection difficulty is reduced.
Description
Technical Field
The invention relates to the field of detection of rotating shafts, in particular to a swinging type rotating shaft positioning accuracy detection tool.
Background
The five-axis machining center is high-end numerical control equipment which is specially used for machining complex curved surfaces, and has important influence on industries such as aviation, aerospace, scientific research, precise instruments, high-precision medical equipment and the like in one country.
The positioning precision and the repeated positioning precision of the swinging type rotary shaft are key precision parameters of five-shaft numerical control equipment, and the detection of the precision of the swinging type rotary shaft is difficult due to the limitation of the structural size of a machine tool. At present, a common precision instrument for detecting the rotation axis of a numerical control machine tool is a laser wireless turntable or a polygon matched auto-collimator. Because of the angle problem of the swing type rotary shaft, the two instruments are difficult to be directly installed on a machine tool to directly detect.
Disclosure of Invention
The invention aims to provide a swinging type rotary shaft positioning accuracy detection tool, which can solve the problem that the swinging type rotary shaft accuracy detection is difficult.
Embodiments of the invention may be implemented as follows:
the embodiment of the invention provides a swinging type rotary shaft positioning accuracy detection tool which is used for connecting a machine tool main shaft and a testing instrument, and comprises the following components:
the Z-direction adjusting assembly comprises an angle wedge block and a connecting shaft; the angle wedge block is provided with a connecting hole and a connecting surface, the connecting hole is arranged along the Z direction, and the connecting surface and the Z direction are arranged at a preset angle; the connecting hole is used for being in threaded connection with one end of the connecting shaft, and one end of the connecting shaft, which is far away from the angle wedge block, is used for being in coaxial connection with a main shaft of the machine tool;
the Y-direction adjusting assembly is connected with the connecting surface and is used for moving and fixing the angle wedge block along the Y direction in a first plane parallel to the connecting surface;
the X-direction adjusting component is connected with the Y-direction adjusting component and is used for moving and fixing along the X direction in a second plane parallel to the connecting surface relative to the Y-direction adjusting component;
the angle deviation adjusting assembly is connected with the X-direction adjusting assembly and is used for swinging and fixing relative to the center of the X-direction adjusting assembly; and one side of the angle deviation adjusting component, which is far away from the X-direction adjusting component, is used for installing a testing instrument.
In addition, the swing type rotary shaft positioning accuracy detection tool provided by the embodiment of the invention can also have the following additional technical characteristics:
optionally, the Y-direction adjusting assembly comprises a connecting bottom plate, a transition plate and a Y-direction adjusting knob; the connecting bottom plate is fixed on the connecting surface of the angle wedge block; the transition plate is slidably connected to the connection base plate along the Y direction, and the Y-direction adjusting knob is used for abutting against the transition plate so as to stop the movement of the transition plate along the Y direction.
Optionally, an intersection point of a center line of the connecting hole and a center line of the connecting surface falls at the center of the connecting surface; the center line of the connecting surface coincides with the center line of the connecting bottom plate.
Optionally, the X-direction adjusting assembly includes a top plate and an X-direction adjusting knob; the top plate is slidably connected to the transition plate along the X direction; the X-direction adjusting knob is used for abutting against the transition plate so as to stop the movement of the top plate along the X direction.
Optionally, the connection bottom plate, the transition plate and the top plate are sequentially arranged at intervals side by side along the central line of the connection bottom plate.
Optionally, the Y-direction adjusting assembly further includes a Y-direction slide rail, the Y-direction slide rail is fixed to the connection bottom plate along the Y-direction, and the Y-direction slide rail is slidably disposed on the transition plate;
the X-direction adjusting assembly further comprises an X-direction sliding rail, the X-direction sliding rail is fixed to the transition plate along the X direction, and the X-direction sliding rail is slidably arranged on the top plate.
Optionally, the connection base plate is provided with a connection lug extending towards the transition plate; the Y-direction adjusting knob is rotatably arranged on the connecting lug and is used for abutting against the side part of the transition plate; the X-direction adjusting knob is rotatably arranged on the top plate and is used for propping against the side part of the transition plate.
Optionally, the angle deviation adjusting component comprises a deflection angle adjusting ball, a deflection angle adjusting plate and a deflection angle adjusting knob; the middle part of the deflection angle adjusting plate is connected with the middle part of the top plate in a swinging way through the deflection angle adjusting ball; the deflection angle adjusting knob is connected with the deflection angle adjusting plate and the top plate and is used for fixing the deflection angle adjusting plate relative to the top plate;
and one side of the deflection angle adjusting plate, which is far away from the top plate, is used for installing a testing instrument.
Optionally, the deflection angle adjusting knob is multiple in number; the deflection angle adjusting knobs are connected to the deflection angle adjusting plates at intervals around the middle parts of the deflection angle adjusting plates.
Optionally, one end of the connecting shaft far away from the angle wedge block is provided with a machine shaft hole arranged along the Z direction; the shaft hole is used for being coaxially connected with the machine tool spindle.
The swinging type rotary shaft positioning accuracy detection tool provided by the embodiment of the invention has the beneficial effects that:
the swinging type rotary shaft positioning accuracy detection tool comprises a Z-direction adjusting assembly, a Y-direction adjusting assembly, an X-direction adjusting assembly and an angle deviation adjusting assembly, wherein the Z-direction adjusting assembly comprises an angle wedge block and a connecting shaft; the angle wedge block is provided with a connecting hole and a connecting surface, the connecting hole is arranged along the Z direction, and the connecting surface and the Z direction are arranged at a preset angle; the connecting hole is used for being in threaded connection with one end of the connecting shaft, and one end of the connecting shaft, which is far away from the angle wedge block, is used for being coaxially connected with the main shaft of the machine tool; the Y-direction adjusting assembly is used for moving and fixing the relative angle wedge block along the Y direction in a first plane parallel to the connecting surface; the X-direction adjusting component is used for moving and fixing along the X direction in a second plane parallel to the connecting surface relative to the Y-direction adjusting component; the angle deviation adjusting component is used for swinging and fixing relative to the center of the X-direction adjusting component; the side of the angle deviation adjusting component, which is far away from the X-direction adjusting component, is used for installing a testing instrument.
The testing instrument is directly installed on the main shaft of the machine tool through the connecting shaft of the swinging type rotary shaft positioning accuracy detection tool, and the testing instrument is coaxial with the rotary shaft of the machine tool through adjusting the Z-direction adjusting assembly, the Y-direction adjusting assembly, the X-direction adjusting assembly and the angle deviation adjusting assembly, and then detection is carried out. The testing instrument is directly installed on the machine tool through the swinging type rotary shaft positioning accuracy detection tool to detect, so that angle deviation errors caused by installing the testing instrument can be reduced, the detection accuracy is improved, and the problem that the swinging type rotary shaft accuracy detection is difficult is solved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic diagram of an assembly structure of a swing type rotary shaft positioning accuracy detection tool and a machine tool provided by an embodiment of the invention;
fig. 2 is a schematic diagram of an assembly structure of a swing type rotary shaft positioning accuracy detection tool and a laser wireless turntable according to an embodiment of the present invention;
fig. 3 is a schematic diagram of a local internal structure of an assembled swing type rotary shaft positioning accuracy detection tool and a laser wireless turntable according to an embodiment of the present invention;
fig. 4 is a schematic diagram of an assembly structure of a positioning accuracy detection tool for a swing type rotary shaft and a dodecagon body according to an embodiment of the present invention;
fig. 5 is a schematic diagram of a local internal structure of an assembled swing type rotary shaft positioning accuracy detection tool and a dodecagon body according to an embodiment of the present invention;
fig. 6 is an isometric view of a tool for detecting positioning accuracy of a swing-type rotating shaft according to an embodiment of the present invention.
Icon: 10-a swinging type rotary shaft positioning accuracy detection tool; 20-a main shaft of the machine tool; 30-a test instrument; 100-angle wedge blocks; 101-a connection face; 110-a connecting shaft; 111-a machine shaft hole; 200-connecting a bottom plate; 201-connecting lugs; 210-a transition plate; 220-Y direction adjusting knob; 230-Y direction slide rail; 300-top plate; 310-X direction adjusting knob; 320-X direction slide rail; 400-deflection angle adjusting ball; 410-deflection angle adjusting plates; 420-deflection angle adjusting knob; 500-protective cover.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
In the description of the present invention, it should be noted that, if the terms "upper", "lower", "inner", "outer", and the like indicate an azimuth or a positional relationship based on the azimuth or the positional relationship shown in the drawings, or the azimuth or the positional relationship in which the inventive product is conventionally put in use, it is merely for convenience of describing the present invention and simplifying the description, and it is not indicated or implied that the apparatus or element referred to must have a specific azimuth, be configured and operated in a specific azimuth, and thus it should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," and the like, if any, are used merely for distinguishing between descriptions and not for indicating or implying a relative importance.
It should be noted that the features of the embodiments of the present invention may be combined with each other without conflict.
The following describes the swing type rotation shaft positioning accuracy detecting tool 10 according to the present embodiment in detail with reference to fig. 1 to 6.
Referring to fig. 1, 2 and 3, an embodiment of the present invention provides a swing type rotation axis positioning accuracy detecting tool 10 for connecting a machine tool spindle 20 and a testing instrument 30, wherein the swing type rotation axis positioning accuracy detecting tool 10 includes a Z-direction adjusting component, a Y-direction adjusting component, an X-direction adjusting component and an angle deviation adjusting component;
the Z-direction adjustment assembly includes an angle wedge 100 and a connecting shaft 110; the angle wedge block 100 is provided with a connecting hole and a connecting surface 101, wherein the connecting hole is arranged along the Z direction, and the connecting surface 101 is arranged at a preset angle with the Z direction; the connecting hole is used for being in threaded connection with one end of the connecting shaft 110, and one end of the connecting shaft 110 away from the angle wedge block 100 is used for being coaxially connected with the machine tool spindle 20; the Y-direction adjusting component is connected with the connecting surface 101 and is used for moving and fixing the relative angle wedge block 100 along the Y direction in a first plane parallel to the connecting surface 101; the X-direction adjusting component is connected with the Y-direction adjusting component, and the X-direction adjusting component is used for moving and fixing along the X direction in a second plane parallel to the connecting surface 101 relative to the Y-direction adjusting component; the angle deviation adjusting component is connected with the X-direction adjusting component and is used for swinging and fixing relative to the center of the X-direction adjusting component; the side of the angular misalignment adjusting assembly remote from the X-direction adjusting assembly is used to mount the test instrument 30.
It should be noted that: "machine tool spindle 20 centerline" is the centerline indicated by letter A in FIG. 1. "machine tool turret axis centerline" is the centerline indicated by letter B in fig. 1.
The actual detection process is as follows:
one end of the connecting shaft 110 is coaxially connected with the machine tool spindle 20, and the other end of the connecting shaft 110 is screw-connected with the connecting hole of the angle wedge block 100. The connection shaft 110 may be provided according to the type of the adapted machine tool spindle 20. For example, the interface ISO, BBT, SHK of the machine tool spindle 20 and the like, and the connecting shaft 110 can be replaced correspondingly. Specifically, a shaft hole 111 arranged along the Z direction is formed at one end of the connecting shaft 110 away from the angle wedge block 100; the spindle hole 111 is for coaxial connection with the machine tool spindle 20. The connecting shaft 110 is in threaded connection with the connecting hole of the angle wedge block 100, so that the connecting shaft 110 is convenient to replace, and the angle wedge block 100 can be adjusted up and down in the Z direction through the relative rotation of the connecting shaft 110 and the angle wedge block 100, so that the center line of the machine tool spindle 20, the center line of the machine tool rotation and the center line of the swinging type rotary shaft positioning accuracy detection tool 10 are intersected, and particularly the center line of the machine tool spindle 20, the center line of the machine tool rotation and the center line of the angle wedge block 100 are intersected.
The Y-direction adjusting assembly is adjusted along the Y direction, so that the Y-direction adjusting assembly drives the X-direction adjusting assembly, the angle deviation adjusting assembly and the testing instrument 30 arranged on the angle deviation adjusting assembly to move along the Y direction relative to the angle wedge block 100, and the angle wedge block is fixed after moving in place. The center line of rotation of the test instrument 30 is overlapped with the center line of the machine tool rotating shaft in the Y direction.
The X-direction adjusting assembly is adjusted along the X-direction, so that the X-direction adjusting assembly drives the angle deviation adjusting assembly and the testing instrument 30 arranged on the angle deviation adjusting assembly to move along the X-direction relative to the Y-direction adjusting assembly, namely relative to the angle wedge block 100, and the angle deviation adjusting assembly and the testing instrument are fixed after moving in place. The center line of rotation of the test instrument 30 is overlapped with the center line of the machine tool rotating shaft in the X direction.
The angle deviation adjusting component can be used for adjusting different directions according to the deflection angles of the rotation center line of the test instrument 30 and the center line of the rotation shaft of the machine tool, so that the coincidence of the rotation center line of the test instrument 30 and the center line of the rotation shaft of the machine tool is completed.
And after the adjustment is finished, the test is carried out, and the Y-direction adjusting component, the X-direction adjusting component and the angle deviation adjusting component can be repeatedly adjusted according to the compensation error in the test process until the precision measurement meets the set condition.
Wherein the "Y-direction adjusting component is used for moving along Y direction relative to the angle wedge block 100 in a first plane parallel to the connecting surface 101" and the "X-direction adjusting component is used for moving along X direction relative to the Y-direction adjusting component in a second plane parallel to the connecting surface 101", so as to ensure that the Y-direction adjusting component and the X-direction adjusting component do not deflect relative to the connecting surface 101, and ensure coaxiality.
The test instrument 30 is directly installed on a machine tool through the swing type rotary shaft positioning accuracy detection tool 10 for detection, so that angle deviation errors caused by the installation of the test instrument 30 can be reduced, the detection accuracy is improved, and the problem that the swing type rotary shaft accuracy detection is difficult is solved.
Referring to fig. 3, in the present embodiment, the intersection point of the center line of the connection hole and the center line of the connection surface 101 falls at the center of the connection surface 101; the center line of the connection surface 101 coincides with the center line of the connection base 200. Thus, the center lines of the Y-direction adjusting component, the X-direction adjusting component and the angle deviation adjusting component are coincident with the center line of the connecting bottom plate 200 for realizing coaxial adjustment.
Referring to fig. 3, in the present embodiment, the Y-direction adjusting assembly includes a connection base 200, a transition plate 210, and a Y-direction adjusting knob 220; the connecting bottom plate 200 is fixed on the connecting surface 101 of the angle wedge block 100; the transition plate 210 is slidably coupled to the connection base 200 in the Y-direction, and the Y-direction adjustment knob 220 is adapted to abut the transition plate 210 to stop movement of the transition plate 210 in the Y-direction. Specifically, the Y-direction adjustment knob 220 is a bolt.
Specifically, one side of the connection base plate 200 is attached to the connection surface 101, and the other side of the connection base plate 200 is slidably connected to the transition plate 210 along the Y direction. By adjusting the transition plate 210 along the Y direction, the X-direction adjusting assembly, the angle deviation adjusting assembly, and the test instrument 30 mounted on the angle deviation adjusting assembly mounted on the transition plate 210 are driven to move along the Y direction relative to the angle wedge 100. After moving into place, the transition plate 210 is prevented from moving in the Y direction by the Y-direction adjustment knob 220 against the transition plate 210. And finishing the adjustment in the Y direction.
Referring to fig. 3, in the present embodiment, the X-direction adjusting assembly includes a top plate 300 and an X-direction adjusting knob 310; the top plate 300 is slidably connected to the transition plate 210 in the X direction; the X-direction adjustment knob 310 is used to abut against the transition plate 210 to stop the movement of the top plate 300 in the X-direction. Specifically, the X-direction adjustment knob 310 is a bolt.
Specifically, the top plate 300 can move along the X direction relative to the transition plate 210, and by adjusting the top plate 300 along the X direction, the angle deviation adjusting assembly disposed on the top plate 300 and the testing instrument 30 mounted on the angle deviation adjusting assembly are driven to move along the X direction relative to the angle wedge 100. After moving into place, the top plate 300 is prevented from moving in the X-direction by the X-direction adjustment knob 310 against the transition plate 210. And finishing the adjustment in the X direction.
Referring to fig. 3, in the present embodiment, the connection base plate 200, the transition plate 210, and the top plate 300 are sequentially arranged side by side at intervals along the center line of the connection base plate 200. It is ensured that the transition plate 210 moves in the Y direction in a first plane parallel to the connection surface 101 and the top plate 300 moves in the X direction in a second plane parallel to the connection surface 101. And the deflection is prevented, and the accuracy of movement is ensured.
Referring to fig. 3, in the present embodiment, the angle wedge 100 is fixed to the connection base 200.
Referring to fig. 3, in the present embodiment, the Y-direction adjusting assembly further includes a Y-direction sliding rail 230, the Y-direction sliding rail 230 is fixed to the connection base 200 along the Y-direction, and the Y-direction sliding rail 230 is slidably disposed on the transition plate 210; the X-direction adjusting assembly further includes an X-direction sliding rail 320, the X-direction sliding rail 320 is fixed to the transition plate 210 along the X-direction, and the X-direction sliding rail 320 is slidably disposed on the top plate 300.
Specifically, the number of the Y-direction sliding rails 230 is two, and the two groups of Y-direction sliding rails 230 are disposed at intervals on one side of the connection base plate 200 facing the transition plate 210, so as to ensure that the connection base plate 200 moves stably. Similarly, the number of the X-direction sliding rails 320 is two, and the two groups of X-direction sliding rails 320 are arranged at intervals on one side of the transition plate 210, which faces the top plate 300, so as to ensure the stable movement of the top plate 300.
Referring to fig. 3, in the present embodiment, a connection base 200 is provided with a connection lug 201 extending toward a transition plate 210; the Y-direction adjusting knob 220 is rotatably disposed on the connecting lug 201, and the Y-direction adjusting knob 220 is used for abutting against the side portion of the transition plate 210; an X-direction adjustment knob 310 is rotatably provided to the top plate 300, and the X-direction adjustment knob 310 is used to abut against a side portion of the transition plate 210.
Specifically, the number of the connecting lugs 201 is two, and the two connecting lugs 201 are disposed at two sides of the connecting base plate 200. The number of the Y-direction adjusting knobs 220 is two, the two Y-direction adjusting knobs 220 are respectively and rotatably connected to the two connecting lugs 201, the two Y-direction adjusting knobs 220 are respectively positioned on two sides of the transition plate 210, and the end parts of the two Y-direction adjusting knobs 220 respectively support two sides of the transition plate 210 so as to limit the movement of the transition plate 210 along the Y direction.
Similarly, the number of the two X-direction adjusting knobs 310 is two, the two X-direction adjusting knobs 310 are rotatably arranged on one side of the top plate 300 facing the transition plate 210, the two X-direction adjusting knobs 310 are located on two sides of the transition plate 210, the end parts of the two X-direction adjusting knobs 310 are propped against two sides of the transition plate 210, the two X-direction adjusting knobs 310 are driven to synchronously move along the X-direction in the process of moving the top plate 300 along the X-direction, and when the two X-direction adjusting knobs 310 are propped against two sides of the transition plate 210, the movement of the top plate 300 along the X-direction is limited.
Specifically, the transition plate 210 is a square plate, and the two Y-direction adjusting knobs 220 and the two X-direction adjusting knobs 310 are respectively located at two opposite sides of the transition plate 210 to be staggered.
Referring to fig. 3, in the present embodiment, the angle deviation adjusting assembly includes a deviation angle adjusting ball 400, a deviation angle adjusting plate 410, and a deviation angle adjusting knob 420; the middle part of the yaw angle adjustment plate 410 is swingably connected to the middle part of the top plate 300 by the yaw angle adjustment ball 400; the deflection angle adjusting knob 420 is connected with the deflection angle adjusting plate 410 and the top plate 300, and the deflection angle adjusting knob 420 is used for fixing the deflection angle adjusting plate 410 relative to the top plate 300; the side of the yaw angle adjustment plate 410 remote from the top plate 300 is used to mount the test instrument 30. Specifically, the yaw angle adjustment knob 420 is a bolt.
The deflection angle adjusting plate 410 is connected with the top plate 300 through the deflection angle adjusting ball 400 in a swinging way, the deflection angle adjusting plate 410 can swing around the deflection angle adjusting ball 400 relative to the top plate 300 so as to adjust the deflection angle of the deflection angle adjusting plate 410 relative to the rotating shaft of the machine tool, so that the rotating center line of the testing instrument 30 is perpendicular to the center line of the rotating shaft of the machine tool and coincides with the center line of the rotating shaft of the machine tool. Specifically, the deflection angle adjusting knob 420 is adjusted, the deflection angle adjusting plate 410 deflects around the deflection adjusting ball, and after the adjustment is completed, the deflection angle adjusting knob 420 is locked, so that the position of the deflection angle adjusting plate 410 relative to the top plate 300 is fixed, and the test instrument 30 is kept at the adjusted position for detection.
In this embodiment, after the transition plate 210 is adjusted in place, the center line of the transition plate 210 coincides with the center line of the connection base plate 200. After the top plate 300 is adjusted in place, the center line of the top plate 300 coincides with the center line of the connection bottom plate 200. After the yaw angle adjustment plate 410 is adjusted in place, the yaw angle adjustment plate 410 is perpendicular to the center line of the connection base plate 200. The center line of the connecting base plate 200 coincides with the center line of the machine tool rotating shaft, so that the rotating center line of the test instrument 30 coincides with the center line of the machine tool rotating shaft, thereby ensuring the detection accuracy of the test instrument 30.
Referring to fig. 3, in the present embodiment, the number of the yaw angle adjustment knobs 420 is plural; a plurality of yaw angle adjustment knobs 420 are coupled to the yaw angle adjustment plate 410 at intervals around the middle of the yaw angle adjustment plate 410. The deflection angle adjusting knob 420 is provided in plurality, so as to ensure that the fixed position of the deflection angle adjusting plate 410 relative to the top plate 300 is more stable, and prevent the deflection or the shaking during the detection process, so as to ensure the measurement accuracy.
In this embodiment, referring to fig. 2 and 3, the test instrument 30 may be a laser wireless turret. Referring to fig. 4 and 5, the test instrument 30 may be a dodecagonal mating autocollimator. Referring to fig. 6, the side of the deflection angle adjusting plate 410 remote from the top plate 300 is provided with a circular truncated cone for being matched with the dodecagon, and a fastening hole for being fixed with the laser wireless turntable or the dodecagon.
In this embodiment, referring to fig. 2 to 5, the swing-type rotation axis positioning accuracy detecting tool 10 further includes a protective cover 500, where the protective cover 500 is disposed outside the Z-direction adjusting assembly, the Y-direction adjusting assembly, the X-direction adjusting assembly, and the angular deviation adjusting assembly.
According to the swing type rotary shaft positioning accuracy detection tool 10 provided in this embodiment, the working principle of the swing type rotary shaft positioning accuracy detection tool 10 is as follows: the device is connected with the main shaft 20 of the machine tool through the connecting shaft 110, and is adjusted in the axial direction through the connecting shaft 110 to perform coarse adjustment in height, so that the intersection of the central line of the main shaft 20 of the machine tool, the rotation central line of the machine tool and the central line of the detection tool is ensured. And the X-direction adjusting knob 310 and the Y-direction adjusting knob 220 are adjusted to finely adjust the X-direction adjusting assembly and the Y-direction adjusting assembly respectively, so that the center line of the detection tool is ensured to coincide with the rotation center line of the machine tool, and then the X-direction adjusting knob 310 and the Y-direction adjusting knob 220 are locked. And the deflection angle adjusting knob 420 is adjusted, the deflection angle adjusting plate 410 deflects around the deflection adjusting ball, the rotation center line of the test instrument 30 is ensured to coincide with the rotation center line of the machine tool, and then the deflection angle adjusting knob 420 is locked. And (5) finishing installation and debugging.
The swing type rotary shaft positioning accuracy detection tool 10 provided in this embodiment has at least the following advantages:
the testing instrument 30 is directly arranged on the machine tool spindle 20 through a detection tool, and the testing instrument 30 and the machine tool rotating shaft are coaxially detected through adjusting the detection tool, so that the detection difficulty is reduced.
The detection tool can replace different accessories, can detect the positioning precision of the swinging shaft with the vertical included angle of 30 degrees, 45 degrees, 60 degrees and the like, and is compatible with five-axis machining centers with different spindle interfaces.
The detection tool can be used for detaching part of the assembly, can be used for directly detecting the positioning precision of the rotation axis in the horizontal plane, and has good universality.
The foregoing is merely illustrative of the present invention, and the present invention is not limited thereto, and any changes or substitutions easily contemplated by those skilled in the art within the scope of the present invention should be included in the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (9)
1. The utility model provides a swing type revolving axle positioning accuracy detects frock for connect lathe main shaft (20) and test instrument (30), its characterized in that, swing type revolving axle positioning accuracy detects frock includes:
the Z-direction adjusting assembly comprises an angle wedge block (100) and a connecting shaft (110); the angle wedge block (100) is provided with a connecting hole and a connecting surface (101), the connecting hole is arranged along the Z direction, and the connecting surface (101) and the Z direction are arranged at a preset angle; the connecting hole is used for being in threaded connection with one end of the connecting shaft (110), and one end of the connecting shaft (110) away from the angle wedge block (100) is used for being in coaxial connection with the machine tool spindle (20); the Y-direction adjusting component is connected with the connecting surface (101) and is used for moving and fixing the angle wedge block (100) along the Y direction in a first plane parallel to the connecting surface (101); the X-direction adjusting component is connected with the Y-direction adjusting component and is used for moving and fixing along the X direction in a second plane parallel to the connecting surface (101) relative to the Y-direction adjusting component; the angle deviation adjusting assembly is connected with the X-direction adjusting assembly and is used for swinging and fixing relative to the center of the X-direction adjusting assembly; one side of the angle deviation adjusting component, which is far away from the X-direction adjusting component, is used for installing a testing instrument (30);
the Y-direction adjusting assembly comprises a connecting bottom plate (200), a transition plate (210) and a Y-direction adjusting knob (220); -said connection base plate (200) is fixed to said connection face (101) of said angular wedge (100); the transition plate (210) is slidably connected to the connection base plate (200) along the Y direction, and the Y-direction adjusting knob (220) is used for abutting against the transition plate (210) so as to stop the movement of the transition plate (210) along the Y direction.
2. The swing type rotary shaft positioning accuracy detection tool according to claim 1, wherein:
an intersection point of the center line of the connecting hole and the center line of the connecting surface (101) falls at the center of the connecting surface (101); the center line of the connecting surface (101) coincides with the center line of the connecting bottom plate (200).
3. The swing type rotary shaft positioning accuracy detection tool according to claim 1, wherein:
the X-direction adjusting assembly comprises a top plate (300) and an X-direction adjusting knob (310); the top plate (300) is slidably connected to the transition plate (210) along the X direction; the X-direction adjusting knob (310) is used for abutting against the transition plate (210) so as to stop the movement of the top plate (300) along the X direction.
4. The swing type rotary shaft positioning accuracy detecting tool according to claim 3, wherein:
the connecting bottom plate (200), the transition plate (210) and the top plate (300) are sequentially arranged at intervals side by side along the central line of the connecting bottom plate (200).
5. The swing type rotary shaft positioning accuracy detecting tool according to claim 3, wherein:
the Y-direction adjusting assembly further comprises a Y-direction sliding rail (230), the Y-direction sliding rail (230) is fixed on the connecting bottom plate (200) along the Y direction, and the Y-direction sliding rail (230) is slidably arranged on the transition plate (210);
the X-direction adjusting assembly further comprises an X-direction sliding rail (320), the X-direction sliding rail (320) is fixed to the transition plate (210) along the X direction, and the X-direction sliding rail (320) is slidably arranged on the top plate (300).
6. The swing type rotary shaft positioning accuracy detecting tool according to claim 3, wherein:
the connecting base plate (200) is provided with a connecting lug (201) extending towards the transition plate (210); the Y-direction adjusting knob (220) is rotatably arranged on the connecting lug (201), and the Y-direction adjusting knob (220) is used for abutting against the side part of the transition plate (210);
the X-direction adjusting knob (310) is rotatably arranged on the top plate (300), and the X-direction adjusting knob (310) is used for abutting against the side part of the transition plate (210).
7. The swing type rotary shaft positioning accuracy detecting tool according to claim 3, wherein:
the angle deviation adjusting assembly comprises an offset angle adjusting ball (400), an offset angle adjusting plate (410) and an offset angle adjusting knob (420); the middle part of the deflection angle adjusting plate (410) is connected with the middle part of the top plate (300) in a swinging way through the deflection angle adjusting ball (400); the deflection angle adjusting knob (420) is connected with the deflection angle adjusting plate (410) and the top plate (300), and the deflection angle adjusting knob (420) is used for fixing the deflection angle adjusting plate (410) relative to the top plate (300);
the side of the deflection angle adjusting plate (410) away from the top plate (300) is used for installing a testing instrument (30).
8. The swing type rotary shaft positioning accuracy detecting tool according to claim 7, wherein:
the number of the deflection angle adjusting knobs (420) is a plurality; the deflection angle adjusting knobs (420) are connected to the deflection angle adjusting plate (410) at intervals around the middle of the deflection angle adjusting plate (410).
9. The swing type rotary shaft positioning accuracy detection tool according to any one of claims 1 to 8, wherein:
one end of the connecting shaft (110) far away from the angle wedge block (100) is provided with a machine shaft hole (111) arranged along the Z direction; the spindle bore (111) is intended to be connected coaxially to the machine spindle (20).
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| CN115431104A (en) * | 2022-08-23 | 2022-12-06 | 成都飞机工业（集团）有限责任公司 | Auxiliary fixture and detection method for detecting swing angle positioning accuracy of AB double-swing-angle milling head |
| CN115446667A (en) * | 2022-09-14 | 2022-12-09 | 北京工研精机股份有限公司 | Auxiliary tool for detecting swing angle of five-axis horizontal machining center with 45-degree oblique swing head |
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